1247896 has 32 divisors (see below), whose sum is σ = 2570400. Its totient is φ = 567840.

The previous prime is 1247893. The next prime is 1247923. The reversal of 1247896 is 6987421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17541 + ... + 17611.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2^1247896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1247896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285200).

1247896 is an abundant number, since it is smaller than the sum of its proper divisors (1322504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1247896 is an equidigital number, since it uses as much as digits as its factorization.

1247896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 86 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 1247896 is about 1117.0926550649. The cubic root of 1247896 is about 107.6612614850.

The spelling of 1247896 in words is "one million, two hundred forty-seven thousand, eight hundred ninety-six".